fixed fix point and added a todo
fixed fix point and added a todo

wxzh/fcore,xnning/fcore,zhiyuanshi/fcore,hkuplg/fcore,hkuplg/fcore,bixuanzju/fcore,zhiyuanshi/fcore,xnning/fcore,hkuplg/fcore,xnning/fcore,bixuanzju/fcore,bixuanzju/fcore,wxzh/fcore,zhiyuanshi/fcore,wxzh/fcore